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Finding the Fourth Proportional to 67,019.84, 101,159.60 and 67,019.84

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Solution

The fourth proportional to 67,019.84, 101,159.60 and 67,019.84 is: 101,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,019.84 : 101,159.60 = 67,019.84 : x
  2. Step 2: Convert to fraction form
    67,019.84/101,159.60 = 67,019.84/x
  3. Step 3: Cross multiply
    67,019.84x = 101,159.60 × 67,019.84
  4. Step 4: Simplify right side
    67,019.84x = 6,779,700,206.46
  5. Step 5: Solve for x
    x = 6,779,700,206.46/67,019.84
  6. Step 6: Final answer
    x = 101,159.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.